25963209

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 38997504

約数和(自身を除く): 13034295

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 991, 2911, 2973, 8733, 8919, 26199, 40631, 70361, 121893, 211083, 365679, 633249, 2884801, 8654403, 25963209]

約数ペア:

[(1, 25963209), (3, 8654403), (9, 2884801), (41, 633249), (71, 365679), (123, 211083), (213, 121893), (369, 70361), (639, 40631), (991, 26199), (2911, 8919), (2973, 8733)]